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Item | Index | Inspection result | ||
Content of TDI(Mass Fraction)/%≥ | 99.5 | 99.92 | ||
Proportion of cis-isomers(2,4-TDI/2,6-TDI) | 80±1.0/20.0±1.0 | 79.6/20.4 | ||
Hydrolysis rate content,CI(Mass Fraction)/%≤ | 0.008 | 0.003 | ||
Acidity,HCI(Mass Fraction)/%≤ | 0.003 | 0.0006 | ||
Chroma, Hazen≤ | 25 | 10 | ||
Appearance:Clear transparent liquid, no visible mechanical impurities | ||||
Conclusion: qualified | ||||





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